Opinion: For Your Diary

Hay Festival Hay-on-Wye.

The annual literary and arts festival opens. Highlights this year include Vanessa Redgrave, Ralph Fiennes and Gillian Anderson discussing US military interrogation techniques, music from Cerys Matthews and comedy from Dara O'Briain and Jo Brand. The festival runs until 5 June.

- 1 June

FIFA presidential election Zurich, Switzerland.

The 61st congress of the international footballing body today has on the agenda the election of the FIFA president. Incumbent Sepp Blatter faces a challenge from Asian Football Confederation president Mohamed Bin Hammam of Qatar, the Gulf state controversially awarded the 2022 World Cup.

- 6 June

AEGON tennis championships Queen's Club, London.

The traditional grass court warm-up for Wimbledon kicks off at London's Queen's Club and runs until 12 June.

- 10 June

Isle of Wight Festival Seaclose Park, Isle of Wight.

The three-day musical festival is headlined by Kings of Leon, Foo Fighters and Kasabian.

- 15 June

Sainsbury's Q1 trading statement.

The Q1 trading statement for the UK supermarket chain, a day after rival Tesco announces its results.

- 17 June

Pride London.

The UK's largest gay and lesbian pride festival begins. The festival runs until July.